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1、Unit 2 Working the land教学设计课题Using Language: Reading三维教学目标知识与能力Talk about the advantages of green food or food grown by organic farming methods.Enable the students to master the main idea of the text and know the ways of organizing articles. 过程与方法 Task-based teaching; Discussions; Cooperative learni
2、ng.情感态度价值观1. 法制教育渗透: 食品安全法(Food Safety Law)2. Encourage the students to choose green food.课型语言运用课教学重点及分析1. How to grasp the main idea of the passage.2. How to grasp the words and phrases and be able to use them freely.教学难点及突破1. How to help the students learn more about the passage.2. Help students r
3、eally master the usage of words and expressions .教学过程教学环节老师指导与学生活动设计意图 Step I Lead-in （导入）Show students two tomatoes, and ask them:Which tomato is more expensive? Whats the difference between the two? Can you guess why? T: Its difficult to tell the difference only by looking at their appearances. In
4、 fact, this one is more expensive because it is organic while the other is grown in a chemical way.(Show pictures of natural fertilizers and chemical fertilizers.) Please read “Chemical or Organic Farming?” on P14 and find the answers quickly.Step II Reading （阅读理解）Scanning What is the main idea of t
5、he text?1. The text is about chemical farming and organic farming. However, chemical fertilizers can cause many problems, so organic farming becomes popular.2. Why are organic farming so popular today?3. What problems can be caused by using chemical fertilizers?4. What is organic farming?5. What is
6、the reason for using organic farming methods?Careful reading Read the text carefully paragraph by paragraph then write down the disadvantages and advantages in the passage in the blanks.Methods of organic farmingAdvantages of methodsFarmers of organic farmingThis makes the soil richer in minerals an
7、d so more fertile.Farmers often change the kind of crop in each field every few years.Changing the crops renew the minerals in the soil and help it become rich and healthy.Farmers plant crops with different lengths of roots.This uses different levels of soils.Farmers sometimes plant grass between cr
8、ops and leave it in the ground.This prevents wind or water from carrying away soil and acts as a natural fertilizer.Talk about the Food Safety Law食品安全法- In order to protect the food we eat is safe.为保证食品安全，保障公众身体健康和生命安全，制定本法。国家建立食品安全风险监测制度，对食源性疾病、食品污染以及食品中的有害因素进行监测。Step Summary （总结）T: After dealing w
9、ith the passage, lets come to Exercise 3 on page 15. You are asked to write a summary of the passage following the procedure. Preparations for writing a summaryFind the main ideaFind key sentencesFind key wordsWhat should you pay attention to when writing a summary?Focus on main ideas and omit examp
10、les, specific details, and minor supports.It is better not to use the sentences in the original passage. Be sure to use your own words.Do not include your own opinion.Step IV Homework （作业） T: Everyone, suppose there are two kinds of vegetables selling. One is those fed with natural fertilizer, the o
11、ther is those fed with chemical fertilizers, which kind would you like to buy? Why?Ss: Of course the “green food”. Because they are safe to us.T: Yeah, good choice and good reason. Todays homework is to collect some information about the safety and importance of green food. （再次强调食品安全）Later, well do
12、some writing about this topic. Remember?Ss: Yes!T: Ok. Class is over. Hope to see you soon.板书设计：Unit 2 Working the landUsing language: readingStep 1 Warming up Useful expressions Step 2 Scanning Food Safety LawStep 3 Careful readingMethods of organic farmingAdvantages of methodsStep 4 SummaryStep 5 Homework创设问题情境,激发学生兴趣；呈现知识链条，为后面的环节作铺垫。1.引导学生运用阅读方法阅读课本第14页的课文。2.引导学生找出化学耕作和有机耕作的优缺点的相关信息3.引导学生找出有机耕作中使土壤肥沃的方法。4. 鼓励学生分组讨论，回答问题。活动形式：问答、讨论、口语展示进一步加强阅读技巧训练与合作学习；渗透法制教育。通过口语陈述训练学生的听说和记忆力，巩固本单元所学的知识。通过作业进一步巩固和加深学生对本课知识的理解。4
